Diagnosis of diseases associated with metastasis

A nucleic acid comprising a sequence at least 18 base pairs in length of the chemically pretreated DNA of genes associated with metastasis according to one of the sequences according to one of the genes CD20 (L23418), FN1 (M10905), SDC2 (J04621), ACTG1 (NM—001614), CDH2 (NM—001792), CDH4 (NM—001794), CDW52 (NM—001803), ITGAX (NM—000887), NM—002211, ITGB5 (NM—002213), ITGB7 (NM—000889), NEOI (NM—002499), PCDH1 (NM—002587), ENPPI (NM—006208), RTNI (NM—021136), SELPLG (NM—003006), TM4sf2 (NM—004615), ITGEA (NM—002208), SPTB (NM—000347), ITGB1 (NM—002211) and sequences complementary thereto.

A DNA- and/or PNA-array for analyzing diseases associated with the methylation state of genes, comprising at least one nucleic acid according to one of the preceeding claims.